Assuming the appearance of something; deceitful; hypocritical.
Inauthentic.
False, especially of money; intended to deceive or carry appearance of being genuine.
A non-genuine article; a fake.
One who counterfeits; a counterfeiter.
To falsely produce what appears to be official or valid; to produce a forged copy of.
Of a turn or river card, to invalidate a player's hand by making a better hand on the board.
Certain to act or be a specified way.
Physically secure and certain, non-failing, reliable.
Certain in one's knowledge or belief.
Yes, expressing noncommittal agreement or consent.
Yes; of course.
You're welcome; polite response to being thanked.
Without doubt, certainly.